247 lines
6.4 KiB
HTML
247 lines
6.4 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - loaders - NRRD loader</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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#inset {
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width: 150px;
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height: 150px;
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background-color: transparent; /* or transparent; will show through only if renderer alpha: true */
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border: none; /* or none; */
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margin: 0;
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padding: 0px;
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position: absolute;
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left: 20px;
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bottom: 20px;
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z-index: 100;
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}
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</style>
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> -
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NRRD format loader test
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</div>
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<div id="inset"></div>
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<script type="module">
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import * as THREE from '../build/three.module.js';
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import Stats from './jsm/libs/stats.module.js';
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import { GUI } from './jsm/libs/dat.gui.module.js';
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import { TrackballControls } from './jsm/controls/TrackballControls.js';
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import { NRRDLoader } from './jsm/loaders/NRRDLoader.js';
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import { VTKLoader } from './jsm/loaders/VTKLoader.js';
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let container,
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stats,
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camera,
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controls,
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scene,
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renderer,
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container2,
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renderer2,
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camera2,
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axes2,
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scene2;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.01, 1e10 );
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camera.position.z = 300;
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scene = new THREE.Scene();
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scene.add( camera );
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// light
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const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x000000, 1 );
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scene.add( hemiLight );
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const dirLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
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dirLight.position.set( 200, 200, 200 );
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scene.add( dirLight );
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const loader = new NRRDLoader();
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loader.load( "models/nrrd/I.nrrd", function ( volume ) {
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//box helper to see the extend of the volume
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const geometry = new THREE.BoxGeometry( volume.xLength, volume.yLength, volume.zLength );
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const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
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const cube = new THREE.Mesh( geometry, material );
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cube.visible = false;
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const box = new THREE.BoxHelper( cube );
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scene.add( box );
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box.applyMatrix4( volume.matrix );
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scene.add( cube );
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//z plane
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const sliceZ = volume.extractSlice( 'z', Math.floor( volume.RASDimensions[ 2 ] / 4 ) );
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scene.add( sliceZ.mesh );
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//y plane
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const sliceY = volume.extractSlice( 'y', Math.floor( volume.RASDimensions[ 1 ] / 2 ) );
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scene.add( sliceY.mesh );
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//x plane
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const sliceX = volume.extractSlice( 'x', Math.floor( volume.RASDimensions[ 0 ] / 2 ) );
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scene.add( sliceX.mesh );
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gui.add( sliceX, "index", 0, volume.RASDimensions[ 0 ], 1 ).name( "indexX" ).onChange( function () {
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sliceX.repaint.call( sliceX );
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} );
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gui.add( sliceY, "index", 0, volume.RASDimensions[ 1 ], 1 ).name( "indexY" ).onChange( function () {
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sliceY.repaint.call( sliceY );
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} );
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gui.add( sliceZ, "index", 0, volume.RASDimensions[ 2 ], 1 ).name( "indexZ" ).onChange( function () {
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sliceZ.repaint.call( sliceZ );
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} );
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gui.add( volume, "lowerThreshold", volume.min, volume.max, 1 ).name( "Lower Threshold" ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, "upperThreshold", volume.min, volume.max, 1 ).name( "Upper Threshold" ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, "windowLow", volume.min, volume.max, 1 ).name( "Window Low" ).onChange( function () {
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volume.repaintAllSlices();
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} );
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gui.add( volume, "windowHigh", volume.min, volume.max, 1 ).name( "Window High" ).onChange( function () {
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volume.repaintAllSlices();
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} );
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} );
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const vtkmaterial = new THREE.MeshLambertMaterial( { wireframe: false, morphTargets: false, side: THREE.DoubleSide, color: 0xff0000 } );
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const vtkloader = new VTKLoader();
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vtkloader.load( "models/vtk/liver.vtk", function ( geometry ) {
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geometry.computeVertexNormals();
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const mesh = new THREE.Mesh( geometry, vtkmaterial );
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scene.add( mesh );
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const visibilityControl = {
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visible: true
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};
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gui.add( visibilityControl, "visible" ).name( "Model Visible" ).onChange( function () {
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mesh.visible = visibilityControl.visible;
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renderer.render( scene, camera );
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} );
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} );
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// renderer
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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container.appendChild( renderer.domElement );
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controls = new TrackballControls( camera, renderer.domElement );
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controls.minDistance = 100;
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controls.maxDistance = 500;
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controls.rotateSpeed = 5.0;
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controls.zoomSpeed = 5;
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controls.panSpeed = 2;
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stats = new Stats();
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container.appendChild( stats.dom );
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const gui = new GUI();
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setupInset();
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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controls.handleResize();
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}
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function animate() {
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requestAnimationFrame( animate );
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controls.update();
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//copy position of the camera into inset
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camera2.position.copy( camera.position );
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camera2.position.sub( controls.target );
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camera2.position.setLength( 300 );
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camera2.lookAt( scene2.position );
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renderer.render( scene, camera );
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renderer2.render( scene2, camera2 );
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stats.update();
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}
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function setupInset() {
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const insetWidth = 150, insetHeight = 150;
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container2 = document.getElementById( 'inset' );
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container2.width = insetWidth;
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container2.height = insetHeight;
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// renderer
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renderer2 = new THREE.WebGLRenderer( { alpha: true } );
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renderer2.setClearColor( 0x000000, 0 );
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renderer2.setSize( insetWidth, insetHeight );
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container2.appendChild( renderer2.domElement );
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// scene
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scene2 = new THREE.Scene();
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// camera
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camera2 = new THREE.PerspectiveCamera( 50, insetWidth / insetHeight, 1, 1000 );
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camera2.up = camera.up; // important!
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// axes
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axes2 = new THREE.AxesHelper( 100 );
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scene2.add( axes2 );
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}
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</script>
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</body>
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</html>
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